/**
* Construct a new GZipFldField object and load a field file
* from the specified filename.
*
* @throws IOException, InvalidFieldException, ApplicationException
*/
public GZipFldField(string filename) {
Stream file = new FileStream(filename, FileMode.Open);
Stream gzipStream = new GZipInputStream(file);
field = new FldField(gzipStream);
gzipStream.Close();
file.Close();
}
/**
* Save the current field file.
*
* @require fieldView.Field != null
*/
private void Save(string filename)
{
Field field;
string extension, fn;
fn = filename.ToLower();
extension = Path.GetExtension(fn);
if ((extension == ".fld" && fieldView.Field is FldField) ||
(extension == ".gat" && fieldView.Field is GatField) ||
(fn.EndsWith(".fld.gz") && fieldView.Field is GZipFldField))
{
field = fieldView.Field;
}
else if (fn.EndsWith(".fld"))
{
field = new FldField(fieldView.Field);
}
else
{
field = new GZipFldField(fieldView.Field);
}
try {
field.Save(filename);
fieldView.Field = field;
this.filename = filename;
Update();
} catch (IOException e) {
ShowError("Cannot save file:\n" + e.Message);
} catch (SaveNotSupportedException e) {
ShowError(e.Message);
}
}
/**
* Construct an FldField object from another Field object.
*/
public GZipFldField(Field field) {
this.field = new FldField(field);
}
/**
* Save the current field file.
*
* @require fieldView.Field != null
*/
private void Save(string filename) {
Field field;
string extension, fn;
fn = filename.ToLower();
extension = Path.GetExtension(fn);
if ((extension == ".fld" && fieldView.Field is FldField)
|| (extension == ".gat" && fieldView.Field is GatField)
|| (fn.EndsWith(".fld.gz") && fieldView.Field is GZipFldField)) {
field = fieldView.Field;
} else if (fn.EndsWith(".fld")) {
field = new FldField(fieldView.Field);
} else {
field = new GZipFldField(fieldView.Field);
}
try {
field.Save(filename);
fieldView.Field = field;
this.filename = filename;
Update();
} catch (IOException e) {
ShowError("Cannot save file:\n" + e.Message);
} catch (SaveNotSupportedException e) {
ShowError(e.Message);
}
}